hp6540_00_dfu_eng.pdf June 6, 2016 Operating system Unknown OS File type Manual Version Unknown 32-bit
hp6540_00_dfu_por.pdf June 6, 2016 Operating system Unknown OS File type Manual Version Unknown 32-bit
hp6540_00_dfu_zhs.pdf June 6, 2016 Operating system Unknown OS File type Manual Version Unknown 32-bit